http://www.blueplanetbiomes.org/chaparral.htm
http://www.softschools.com/facts/biomes/chaparral_biome_facts/169/
http://www.ask.com/question/interesting-facts-about-the-chaparral-biome
http://www.livescience.com/26257-fighting-chaparral-fires-myths-busted.html
http://americaneaglefire.com/defensible_space